Where can I drink some local, craft beers in Saint Louis?

I'm a beer blogger​ who was born and raised in St. Louis, but since moving out of town a few years back I've lost touch with the beer scene. Schlafly remains one of my favorites, but friends and family back home have been talking about many more craft brewers popping up around the St. Louis metro area​. So I'm wondering which local brewers I should check out during my next visit to the city...